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<title>GstSample: GStreamer 1.0 Core Reference Manual</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.79.1">
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<link rel="up" href="libgstreamer.html" title="GStreamer Core Library">
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<link rel="prev" href="GstCapsFeatures.html" title="GstCapsFeatures">
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Top |
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Description |
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Object Hierarchy
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GstSample
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GstSample — A media sample
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Functions
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GstBuffer *
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gst_sample_get_buffer ()
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GstBufferList *
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gst_sample_get_buffer_list ()
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GstCaps *
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gst_sample_get_caps ()
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const GstStructure *
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gst_sample_get_info ()
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GstSegment *
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gst_sample_get_segment ()
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void
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gst_sample_set_buffer_list ()
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GstSample *
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gst_sample_new ()
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GstSample *
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gst_sample_ref ()
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void
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gst_sample_unref ()
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GstSample *
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gst_sample_copy ()
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Types and Values
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GstSample
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Object Hierarchy
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GBoxed
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╰── GstSample
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Includes
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#include <gst/gst.h>
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Description
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A GstSample is a small object containing data, a type, timing and
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extra arbitrary information.
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Functions
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gst_sample_get_buffer ()
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GstBuffer *
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gst_sample_get_buffer (GstSample *sample);
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Get the buffer associated with sample
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Parameters
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sample
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a GstSample
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Returns
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the buffer of sample
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or NULL
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when there is no buffer. The buffer remains valid as long as
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sample
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is valid. If you need to hold on to it for longer than
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that, take a ref to the buffer with gst_buffer_ref().
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[transfer none][nullable]
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gst_sample_get_buffer_list ()
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GstBufferList *
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gst_sample_get_buffer_list (GstSample *sample);
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Get the buffer list associated with sample
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Parameters
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sample
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a GstSample
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Returns
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the buffer list of sample
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or NULL
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when there is no buffer list. The buffer list remains valid as long as
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sample
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that, take a ref to the buffer list with gst_mini_object_ref().
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[transfer none][nullable]
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Since: 1.6
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gst_sample_get_caps ()
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GstCaps *
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gst_sample_get_caps (GstSample *sample);
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Get the caps associated with sample
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Parameters
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sample
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a GstSample
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Returns
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the caps of sample
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or NULL
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when there is no caps. The caps remain valid as long as sample
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is
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valid. If you need to hold on to the caps for longer than that,
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take a ref to the caps with gst_caps_ref().
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[transfer none][nullable]
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gst_sample_get_info ()
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const GstStructure *
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gst_sample_get_info (GstSample *sample);
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Get extra information associated with sample
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.
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Parameters
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sample
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a GstSample
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Returns
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the extra info of sample
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.
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The info remains valid as long as sample
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is valid.
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[transfer none][nullable]
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gst_sample_get_segment ()
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GstSegment *
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gst_sample_get_segment (GstSample *sample);
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Get the segment associated with sample
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Parameters
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sample
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a GstSample
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Returns
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the segment of sample
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The segment remains valid as long as sample
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is valid.
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[transfer none]
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gst_sample_set_buffer_list ()
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void
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gst_sample_set_buffer_list (GstSample *sample,
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GstBufferList *buffer_list);
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Set the buffer list associated with sample
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Parameters
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sample
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a GstSample
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buffer_list
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a GstBufferList
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Since: 1.6
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gst_sample_new ()
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GstSample *
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gst_sample_new (GstBuffer *buffer,
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GstCaps *caps,
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const GstSegment *segment,
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GstStructure *info);
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Create a new GstSample with the provided details.
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Free-function: gst_sample_unref
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Parameters
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buffer
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a GstBuffer, or NULL.
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[transfer none][allow-none]
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caps
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a GstCaps, or NULL.
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[transfer none][allow-none]
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segment
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a GstSegment, or NULL.
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[transfer none][allow-none]
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info
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a GstStructure, or NULL.
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[transfer full][allow-none]
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Returns
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the new GstSample. gst_sample_unref()
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after usage.
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gst_sample_ref ()
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GstSample *
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gst_sample_ref (GstSample *sample);
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Increases the refcount of the given sample by one.
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Parameters
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sample
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a GstSample
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Returns
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sample
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.
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[transfer full]
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gst_sample_unref ()
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void
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gst_sample_unref (GstSample *sample);
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Decreases the refcount of the sample. If the refcount reaches 0, the
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sample will be freed.
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Parameters
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sample
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a GstSample.
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[transfer full]
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gst_sample_copy ()
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GstSample *
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gst_sample_copy (const GstSample *buf);
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Create a copy of the given sample. This will also make a newly allocated
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copy of the data the source sample contains.
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Parameters
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buf
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a GstSample.
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Returns
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a new copy of buf
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.
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[transfer full]
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Since: 1.2
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Types and Values
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GstSample
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typedef struct _GstSample GstSample;
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The opaque structure of a GstSample. A sample contains a typed memory
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block and the associated timing information. It is mainly used to
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exchange buffers with an application.
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See Also
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GstBuffer, GstCaps, GstSegment
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Generated by GTK-Doc V1.27
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</body>
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</html>
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